// Generate four random hex digits.
function S4() {
    return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1)
};
// Generate a pseudo-GUID by concatenating random hexadecimal.
export const guid = () => {
    return (S4() + S4() + '-' + S4() + '-' + S4() + '-' + S4() + '-' + S4() + S4() + S4())
}
export const IS_LOCAL = (url = '') => {
    return url.indexOf('127.0.0.1') !== -1 ||  url.indexOf('localhost')
}